🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.1

Radius: 10.5

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.91 AU - 1.39 AU

Year: 836 Days

Day: 14.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,571,777 km

• M1: 130,599 km (0.08 R)
• M2: 522,097 km (0.05 R)
• M3: 860,936 km (0.117 R)
• M4: 1,197,531 km (0.103 R)
• M5: 1,679,535 km (0.102 R)
• M6: 2,430,816 km (0.062 R)
• M7: 3,063,316 km (0.046 R)
• M8: 3,418,910 km (0.107 R)
• M9: 4,093,447 km (0.112 R)
• M10: 4,558,546 km (0.12 R)
• M11: 4,888,110 km (0.032 R)
• M12: 5,251,184 km (0.097 R)
• M13: 6,228,956 km (0.107 R)
• M14: 6,594,424 km (0.115 R)
• M15: 7,082,113 km (0.082 R)
• M16: 7,503,081 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.9

Radius: 13.9

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.19 AU - 1.25 AU

Year: 914 Days

Day: 10.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,571,777 km

• M1: 172,935 km (0.114 R)
• M2: 851,212 km (0.081 R)
• M3: 1,284,896 km (0.067 R)
• M4: 2,881,105 km (0.09 R)
• M5: 3,439,853 km (0.105 R)
• M6: 4,098,533 km (0.098 R)
• M7: 4,548,224 km (0.11 R)
• M8: 5,243,705 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.1

Radius: 14.6

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.2 AU - 1.32 AU

Year: 959 Days

Day: 11.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,571,777 km

• M1: 181,612 km (0.113 R)
• M2: 705,055 km (0.116 R)
• M3: 1,216,679 km (0.041 R)
• M4: 2,154,209 km (0.12 R)
• M5: 2,890,231 km (0.063 R)
• M6: 3,358,323 km (0.109 R)
• M7: 4,026,875 km (0.107 R)
• M8: 4,548,374 km (0.105 R)
• M9: 5,964,018 km (0.097 R)
• M10: 7,285,566 km (0.092 R)
• M11: 7,870,793 km (0.119 R)
• M12: 8,820,440 km (0.037 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469

Radius: 9.7

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 4.08 AU - 6.32 AU

Year: 8043 Days

Day: 11.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,571,777 km

• M1: 121,025 km (0.084 R)
• M2: 472,580 km (0.034 R)
• M3: 798,254 km (0.056 R)
• M4: 1,302,698 km (0.102 R)
• M5: 1,980,227 km (0.031 R)
• M6: 2,539,723 km (0.086 R)
• M7: 4,645,313 km (0.069 R)
• M8: 5,036,960 km (0.118 R)
• M9: 5,822,948 km (0.068 R)
• M10: 8,184,649 km (0.091 R)
• M11: 12,826,521 km (0.105 R)
• M12: 14,113,063 km (0.096 R)
• M13: 17,071,511 km (0.103 R)
• M14: 19,046,502 km (0.063 R)
• M15: 20,052,547 km (0.059 R)
• M16: 21,704,407 km (0.1 R)
• M17: 23,444,978 km (0.099 R)
• M18: 29,317,443 km (0.04 R)
• M19: 30,463,512 km (0.09 R)
• M20: 31,738,535 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 859.5

Radius: 6.2

Gravity: 22.36 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 5.77 AU - 7.01 AU

Year: 10956 Days

Day: 22.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,571,777 km

• M1: 77,492 km (0.089 R)
• M2: 496,515 km (0.118 R)
• M3: 1,294,470 km (0.109 R)
• M4: 1,695,841 km (0.101 R)
• M5: 2,389,377 km (0.079 R)
• M6: 6,611,478 km (0.116 R)
• M7: 11,117,815 km (0.077 R)
• M8: 12,469,581 km (0.069 R)
• M9: 12,715,370 km (0.085 R)
• M10: 13,408,008 km (0.039 R)
• M11: 18,575,418 km (0.098 R)
• M12: 28,912,332 km (0.064 R)
• M13: 30,661,729 km (0.09 R)
• M14: 31,335,518 km (0.116 R)
• M15: 31,904,588 km (0.081 R)
• M16: 33,180,658 km (0.1 R)
• M17: 37,212,470 km (0.079 R)
• M18: 38,495,870 km (0.071 R)
• M19: 41,286,469 km (0.086 R)
• M20: 48,467,466 km (0.117 R)
• M21: 49,842,719 km (0.107 R)
• M22: 53,313,540 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 416.9

Radius: 5.4

Gravity: 14.3 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 9.27 AU - 9.55 AU

Year: 19578 Days

Day: 19.5 Hours

Environment

Temp: -242 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 63,571,777 km

• M1: 73,752 km (0.088 R)
• M2: 248,931 km (0.091 R)
• M3: 622,327 km (0.084 R)
• M4: 1,446,312 km (0.054 R)
• M5: 2,629,781 km (0.04 R)
• M6: 2,836,824 km (0.049 R)
• M7: 3,104,754 km (0.113 R)
• M8: 4,411,940 km (0.109 R)
• M9: 6,959,443 km (0.113 R)
• M10: 9,309,027 km (0.089 R)
• M11: 10,575,223 km (0.038 R)
• M12: 12,077,036 km (0.046 R)
• M13: 13,176,132 km (0.094 R)
• M14: 16,022,082 km (0.032 R)
• M15: 16,714,570 km (0.103 R)
• M16: 17,346,621 km (0.109 R)
• M17: 20,929,041 km (0.104 R)
• M18: 27,615,318 km (0.102 R)
• M19: 28,164,791 km (0.105 R)
• M20: 33,816,150 km (0.105 R)
• M21: 35,596,514 km (0.108 R)
• M22: 44,085,595 km (0.097 R)
• M23: 45,594,738 km (0.092 R)
• M24: 51,147,512 km (0.118 R)
• M25: 58,927,050 km (0.101 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 557 - 18,434 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit